<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
    <head>
        <title>CSS Test: Font-family, fallback mechanism</title>
        <link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
        <link rel="help" href="http://www.w3.org/TR/CSS21/fonts.html#font-family-prop" />
        <meta name="flags" content="" />
        <meta name="assert" content="Unknown or unavailable fonts fallback to the default font family. The default font family varies and depends on user agent." />
        <style type="text/css">* { margin: 0; padding: 0 }
            div
            {
                font-family: UnknownFont;
            }
        </style>
    </head>
    <body>
        <p>PREREQUISITE: Operating system cannot have a font named "UnknownFont" installed. If it is installed remove it to verify this test.</p>
        <p>Test passes if there is a letter "X" below.</p>
        <div>X</div>
    </body>
</html>